🏗️ Construction

🛣️Asphalt & Driveway Paving Calculator Calculate the tons of asphalt needed for a driveway or parking lot from its area and thickness, free online. 🪵Board Feet Calculator Calculate board feet of lumber from thickness, width, length and quantity, free online. 🧱Brick Count Calculator Calculate how many bricks you need for a wall, free online. 🧶Carpet Area & Cost Calculator Calculate the carpet needed for one or more rooms, including waste, roll length and cost, free online. 🧱Cement-Sand Mortar Mix Calculator Calculate the cement bags and sand needed for brickwork or plaster from wall area and mix ratio, free online. 🧱Concrete Calculator Calculate the concrete volume and number of bags needed for a slab, free online. 🏗️Construction Cost per Square Foot Calculator Estimate the total cost of building a house from floor area, cost per square foot, finish level and contingency, free online. 🛖Deck Lumber Calculator Estimate joists and deck boards for a rectangular deck, free online. 🧱Drywall Calculator Calculate how many drywall sheets and screws you need for a wall area, free online. 🚜Excavation Volume & Truck Loads Calculator Calculate soil excavation volume, loose (swelled) volume and the truck loads needed to haul it away, free online. 🏡Fence Materials Calculator Calculate posts, rails and pickets needed for a fence, free online. 🪵Flooring Calculator Calculate how many boxes of flooring you need for a room, free online. 🪨Gravel & Mulch Calculator Calculate cubic yards, tons and bags of gravel or mulch for an area, free online. 🌧️Gutter & Downpipe Size Calculator Choose a gutter width and the number of downpipes for a roof from its catchment area and rainfall, free online. 🧊Insulation R-Value Calculator Calculate the R-value of an insulation layer from thickness and thermal conductivity, free online. 🎨Paint Calculator Calculate how many gallons of paint you need for a wall area, free online. 🪵Plywood & Sheet Material Calculator Calculate how many plywood, MDF or drywall sheets cover an area, including waste, free online. 🏗️Rebar Weight Calculator Calculate the weight of steel rebar from diameter, length and quantity, free online. 🧱Retaining Wall Blocks Calculator Count the blocks, courses and cap stones needed for a segmental retaining wall, free online. 🏠Roof Pitch & Rafter Length Calculator Convert roof rise and run to pitch ratio, angle and slope percent, and find the rafter length for a span, free online. 🏠Roofing Calculator Calculate roofing squares and shingle bundles needed from roof area, free online. 🪜Stair Stringer Calculator Work out the number of steps, riser height and stringer length for a staircase, free online. 🔲Tile Calculator Calculate how many tiles you need for a room, including waste allowance, free online. 🪟Tile Grout Calculator Estimate the kilograms of grout needed for a tiled area from tile size, joint width and depth, free online. 🖼️Wallpaper Rolls Calculator Work out how many wallpaper rolls a room needs, allowing for pattern repeat, doors and windows, free online. 🛢️Water Tank Size Calculator Find the water tank capacity a household needs and the diameter of a round tank for a chosen height, free online.